SPL Set ID: a9897444-71f6-42af-9b71-4aa77829ade0

Tobramycin sulfate, a water-soluble antibiotic of the aminoglycoside group, is derived from the actinomycete Streptomyces tenebrarius . Tobramycin Injection, USP is a clear and colorless sterile aqueous solution for parenteral administration. Each mL contains tobramycin sulfate equivalent to 40 mg tobramycin; phenol 5 mg; sodium metabisulfite 3.2 mg; 0.1 mg edetate disodium and water for injection, q.s. Sulfuric acid and/or sodium hydroxide may have been added to adjust the pH (3.0 to 6.5). Each mL of tobramycin (40 mg/mL) contains 0.78 mg (0.034 mEq) of sodium. Tobramycin sulfate is, O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxy-L-streptamine (2:5)(salt) and has the chemical formula (C 18 H 37 N 5 O 9 ) 2 • 5 H 2 SO 4 . The molecular weight is 1,425.39. The structural formula for tobramycin is as follows: image-description